EP2678059A1 - An aerosol generating device for nebulizing a liquid and a method of temperature control of a liquid to be nebulized - Google Patents
An aerosol generating device for nebulizing a liquid and a method of temperature control of a liquid to be nebulizedInfo
- Publication number
- EP2678059A1 EP2678059A1 EP12706698.3A EP12706698A EP2678059A1 EP 2678059 A1 EP2678059 A1 EP 2678059A1 EP 12706698 A EP12706698 A EP 12706698A EP 2678059 A1 EP2678059 A1 EP 2678059A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- liquid
- reservoir
- nebulization chamber
- chamber
- generating device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 125
- 239000000443 aerosol Substances 0.000 title claims abstract description 41
- 238000000034 method Methods 0.000 title claims description 14
- 238000002663 nebulization Methods 0.000 claims abstract description 91
- 239000006199 nebulizer Substances 0.000 claims description 12
- 238000005086 pumping Methods 0.000 claims description 11
- 238000001816 cooling Methods 0.000 claims description 10
- 239000007921 spray Substances 0.000 claims description 9
- 230000005484 gravity Effects 0.000 claims description 5
- 230000000717 retained effect Effects 0.000 claims 1
- 239000003814 drug Substances 0.000 description 10
- 229940079593 drug Drugs 0.000 description 9
- 239000012530 fluid Substances 0.000 description 8
- 239000013078 crystal Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000001419 dependent effect Effects 0.000 description 2
- 210000004072 lung Anatomy 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000004913 activation Effects 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 239000012080 ambient air Substances 0.000 description 1
- 239000004020 conductor Substances 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 230000002572 peristaltic effect Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000004044 response Effects 0.000 description 1
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M11/00—Sprayers or atomisers specially adapted for therapeutic purposes
- A61M11/005—Sprayers or atomisers specially adapted for therapeutic purposes using ultrasonics
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M15/00—Inhalators
- A61M15/0085—Inhalators using ultrasonics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B12/00—Arrangements for controlling delivery; Arrangements for controlling the spray area
- B05B12/08—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means
- B05B12/10—Arrangements for controlling delivery; Arrangements for controlling the spray area responsive to condition of liquid or other fluent material to be discharged, of ambient medium or of target ; responsive to condition of spray devices or of supply means, e.g. pipes, pumps or their drive means responsive to temperature or viscosity of liquid or other fluent material discharged
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
- B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
- B05B15/58—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter preventing deposits, drying-out or blockage by recirculating the fluid to be sprayed from upstream of the discharge opening back to the supplying means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
- B05B17/04—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods
- B05B17/06—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations
- B05B17/0607—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers
- B05B17/0638—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers spray being produced by discharging the liquid or other fluent material through a plate comprising a plurality of orifices
- B05B17/0646—Vibrating plates, i.e. plates being directly subjected to the vibrations, e.g. having a piezoelectric transducer attached thereto
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B17/00—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups
- B05B17/04—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods
- B05B17/06—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations
- B05B17/0607—Apparatus for spraying or atomising liquids or other fluent materials, not covered by the preceding groups operating with special methods using ultrasonic or other kinds of vibrations generated by electrical means, e.g. piezoelectric transducers
- B05B17/0653—Details
- B05B17/0676—Feeding means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3368—Temperature
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3379—Masses, volumes, levels of fluids in reservoirs, flow rates
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/33—Controlling, regulating or measuring
- A61M2205/3379—Masses, volumes, levels of fluids in reservoirs, flow rates
- A61M2205/3382—Upper level detectors
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M2205/00—General characteristics of the apparatus
- A61M2205/36—General characteristics of the apparatus related to heating or cooling
- A61M2205/3606—General characteristics of the apparatus related to heating or cooling cooled
Definitions
- the invention relates to an aerosol generating device for nebulizing a liquid.
- Such an aerosol device may for example be used for nebulizing a drug for inhalation by a patient whereby the nebulized drug is administered to the patient through deposition in his lungs.
- the invention further relates to a method of temperature control of a liquid to be nebulized.
- the liquid may for example be a drug.
- nebulizers such as for example ultrasonic type nebulizers which use a piezo electric crystal to atomize the liquid received in a nebulization chamber using a mesh.
- the piezo electric crystal may for example be used to vibrate the mesh causing the liquid to be dispersed through the mesh to form a spray of small droplets.
- the piezo electric crystal is used to vibrate the liquid in the nebulization chamber causing it to be nebulized through the mesh.
- the temperature of some liquids, such as for example drugs must be kept within specified limits. Due to efficiency limitations the piezo electric crystal will transform part of the electrical energy offered at its terminals to mechanical movement and another part to heat.
- the piezo electric crystal As the piezo electric crystal is in direct or indirect contact with the liquid that is received in the nebulization chamber the heat produced by the piezo electric crystal may cause a temperature rise of the liquid. It is an object of the invention to reduce a temperature rise of the liquid in the nebulization chamber.
- the object is achieved with the aerosol generating device for nebulizing a liquid according to claim 1.
- the liquid in the nebulizing chamber is received from the reservoir and brought into vibration by the vibration means. Due to limitations in the efficiency the vibration means will produce heat causing the temperature of the nebulization chamber and the liquid contained therein to increase. To limit this temperature increase a further portion of the liquid received in the nebulization chamber is exchanged with liquid from the reservoir.
- the liquid in the reservoir is not affected by the heat generated by the vibration source and has therefore a lower temperature than the portion of the liquid that is contained in the nebulization chamber.
- the volume of the nebulization chamber is in the range of 0.1ml to 0.2ml and the sum of the volumes of the nebulization chamber and the reservoir is in the range of 0.25ml to 1.75ml. In another embodiment the volume of the reservoir is at least 5 times larger than the volume of the nebulization chamber.
- the aerosol generating device is arranged for filling the reservoir from an external source such as a vial.
- the aerosol generating device comprises a further reservoir for metering the liquid received from an external source, the reservoir being arranged to receive a metered liquid dose from the further reservoir.
- the mesh is mounted across an aperture in the nebulization chamber, the vibration source being arranged to vibrate the mesh.
- the vibrations of the mesh causes the liquid contained in the nebulization chamber to pass through the holes in the mesh forming droplets which are released from the front surface of the mesh.
- the nebulization chamber is constructed to form a gap between the mesh and the vibration source.
- the portion of the liquid that is received in the nebulization chamber is fed into the space between the mesh and the vibration source.
- the vibration source causes pressure waves in the liquid contained in the space causing the liquid to pass through the holes in the mesh thereby forming a spray of droplets.
- the exchange means for exchanging liquid between the reservoir and the nebulization chamber may comprise for example a channel, or a pump, or both.
- the liquid exchange may for example result from capillary or gravity force.
- the reservoir and the nebulization chamber are positioned relative to each other to allow in use the nebulization chamber to be filled as a result of the gravity force.
- the reservoir may be interfacing with the nebulization chamber and may have an aperture in the wall where the reservoir and nebulization chamber interface to allow the nebulization chamber to be filled with the portion of the liquid from the reservoir through said aperture.
- the exchange means may further comprise a return channel for feeding the further portion from the nebulization chamber to the reservoir.
- the exchange means include an active component such as for example a pump wherein the pump is controlled in dependence of a measured temperature of the liquid in the nebulization chamber. When the measured temperature is above a predetermined threshold the pump is activated to flush the liquid contained in the nebulization chamber.
- the aerosol generating device may further comprise temperature sensing means to measure a temperature of the liquid contained in the reservoir or nebulization chamber. Due to the nebulizing of the liquid contained in the nebulization chamber the total volume of liquid in the nebulization chamber and the reservoir decreases. This will cause a temperature rise of the liquid contained in the reservoir and nebulization chamber.
- the nebulizing may be stopped, paused or continued at a reduced power level such that the heat produced by the nebulizing means is reduced.
- the liquid exchange means may further comprise cooling means. These cooling means may for example be passive such as a heat sink coupled to a return channel. The cooling means may also be active such a Peltier element which for example may be operated in dependence of a measured liquid temperature in the nebulization chamber and/or reservoir.
- the object is further achieved with a method of temperature control of a liquid to be nebulized in an aerosol generating device according to claim 12.
- Fig. 1 shows an embodiment of an aerosol generating device
- Fig. 2a shows a further embodiment of an aerosol generating device
- Fig. 2b shows an embodiment of a vibration means coupled to a mesh
- Fig. 3 shows a further embodiment of an aerosol generating device comprising one return channel and pumping means
- Fig. 4 shows a further embodiment of an aerosol generating device comprising pumping means in the supply channel
- Fig. 5 shows an embodiment of an aerosol generating device comprising cooling means
- Fig. 6 shows an embodiment of an aerosol generating device with a metering chamber
- Fig. 7 shows an embodiment of pumping means
- Fig. 8 shows an embodiment of a method of temperature control of a liquid to be nebulized in an aerosol generating device.
- Figs. 1 - 6 show embodiments of an aerosol generating device comprising a reservoir 1, a nebulization chamber 3 and liquid exchanging means 2, 7, 8 coupled between the nebulization chamber and the reservoir.
- the liquid exchange means supplies in use a portion of a liquid from the reservoir to the nebulization chamber and exchanges a further portion of the liquid received in the nebulization chamber with liquid from the reservoir.
- Fig. 1 shows an aerosol generating device 20 or nebulizer having a mesh 5 mounted across an aperture in the nebulization chamber 3.
- the mesh is realized by for example thin metal plate with small holes.
- a vibration means 4 such as a piezo electric element is coupled to the nebulization chamber such that in operation its produced heat and vibrations are transferred to the liquid contained in the nebulization chamber.
- Figs. 2a shows a further embodiment of a nebulizer 20 in which the vibration means 4 is coupled to the nebulization chamber 3.
- the vibration means is for example an O-ring shaped piezo electric element.
- the piezo is connected to the mesh 5 see Fig. 2b showing a front side view, wherein the mesh may have a concave shape.
- a vibrational motion of the piezo pressure is built up in the vicinity of the mesh causing an ejection of the fluid through the holes as droplets and creating an aerosol.
- the liquid to be atomized into an aerosol 6 is driven through the holes of the mesh 5 by the vibration of the piezo 4.
- the heat produced in the piezo will cause a temperature rise of the liquid contained in the nebulization chamber 3.
- the volume of the nebulization chamber 3 is in the range of 0.1ml to 0.2ml and the sum of the volumes of the reservoir 1 and the nebulization chamber is in the rage of 0.25ml to 0.75ml.
- the nebulization output rate resulting in spray 6 may for example be in the range of 0.25 ml/minute to 1.5ml/minute.
- the nebulizing of the fluid takes about 3 minutes. During these 3 minutes the dissipation of the piezo will cause a temperature rise of the liquid, and thus also of the spray 6. This temperature rise may for some liquids such as drugs be undesirable.
- the produced heat can be decreased by operating the vibration means 4 at a lower power level at the cost of a reduced output flow of the spray 6.
- the power level at which the piezo is operating is controlled by a controller 13 which may determine a frequency, a duty cycle and voltage level at which the piezo is driven.
- the nebulizer 20 further comprises a reservoir 1 that is coupled via a supply channel 2 to the nebulization chamber.
- the reservoir may for example be filled by the user with a medicine from a drug vial 12.
- the volume of the drug to be delivered to the patient's lungs is equal to the sum of the volumes of the reservoir and the nebulization chamber.
- an overflow chamber 10 may be added such as shown in the embodiment of Fig. 6 in which the reservoir has the function of a metering chamber 11 with a volume corresponding to a treatment.
- the nebulizer may have a metering chamber and overflow chamber for metering the volume of the drug and a reservoir arranged for receiving the metered volume from the metering chamber. It is preferred that the volume of the reservoir is larger than the volume of the nebulization chamber.
- the nebulization chamber 3 is filled with a portion of the liquid contained in the volume of the reservoir 1.
- the supply channel 2 coupling the reservoir 1 to the chamber 3 may be dimensioned to provide a capillary filling of the nebulization chamber.
- FIG. 1 shows the aerosol device 20 being constructed to obtain that in use the reservoir 1 is positioned above the nebulization chamber 3 such that the gravity force causes a liquid flow from the reservoir 1 to the chamber 3.
- Fig. 3 shows an embodiment of an aerosol device 20 in which the reservoir 1 and nebulization chamber 3 are coupled without a supply channel.
- the heat produced by the vibration source 4 is transferred to the liquid contained in the chamber 3 causing a temperature rise.
- a liquid exchange between the nebulization chamber and the reservoir 1 is realized.
- the liquid exchange may for example be realized by pumping a further portion of the liquid contained in the nebulization chamber 3 back to the reservoir 1 and refill the nebulization chamber with liquid from the reservoir such that the average temperature of the liquid contained in the nebulization chamber is reduced.
- the liquid exchange means comprise a return channel 7 with a pump 8.
- the operation of the pump may for example be dependent on the controller 13 such as shown in Fig. 3.
- the controller 13 drives the piezo 4 above a predetermined power level the pump 8 is activated, and the pump may remain being activated a predetermined time after the piezo has stopped being driven (and the nebulizing has been halted or paused) to allow a flushing of the liquid contained in the nebulization chamber 3.
- the nebulizer 20 may further comprise temperature sensing means 14, see Fig. 3, wherein the operation of the pump 8 by the controller 13 is further in dependence of the temperature of the liquid in the nebulization chamber 3 and/or reservoir 1. Also the power level at which the vibration means 4 is operated may be adjusted by the controller 13 in response to the measured temperature.
- the pumping means 8 may also be provided in the supply channel 2. This embodiment has the advantage of providing more freedom in the positioning of the reservoir 1 relative to the nebulization chamber 3 as the filling of the chamber can be made independent of gravity. In case the temperature decrease by the liquid exchange between the nebulization chamber and the reservoir is insufficient cooling means 9 may be included in the nebulizer 20.
- Fig. 3 the operation of the pump 8 by the controller 13 is further in dependence of the temperature of the liquid in the nebulization chamber 3 and/or reservoir 1.
- the power level at which the vibration means 4 is operated may be adjusted by the controller 13 in response to the measured temperature.
- the pumping means 8 may also be provided
- cooling means 9 have been added to the return channel 7.
- Cooling means may be active such as with a Peltier element or use a cool fluid, or be passive such as with a heat sink.
- the surface area of the return channel 7 is enlarged with a heat sink to allow an improved heat exchange with the surrounding material or air.
- shape and inner surface area of the walls of the reservoir are adapted to maximize its contact area with the fluid contained in the reservoir to optimize a heat exchange between the fluid and the material of the reservoir.
- the reservoir comprises preferably made a material with a low specific heat such as for example copper.
- the reservoir may further be coupled to a heat conductor adapted to transport the heat to an area where it can easily exchange the transported heat with the ambient air surrounding the nebulizer.
- a fluid sensor is located between the reservoir and the nebulization chamber such that, once the liquid to be atomized has almost all been aerosolized, this is detected by the controller and the pumping means and vibration means are switched off.
- Fig. 7 shows an example of a pumping means 8 which comprises of a plurality of moving elements 32 such as shown in the left figure of Fig. 7. The plurality of moving elements 32, see right figure of Fig.
- a flexible tube or channel 30 which is clamped between the plurality of moving elements and a resilient member 31 to create a peristaltic like movement resulting in a fluid flow 33.
- the fluid is not in direct contact with the pump 8 which has the advantage that the pump does not need to be cleaned regularly.
- the flexible tube 30 may be cleaned or replaced after use of the nebulizer.
- Fig. 8 shows an embodiment of a method of temperature control of a liquid to be nebulized in an aerosol generating device 20.
- the method comprises the step of filling 40 the reservoir 1 with a drug. This may be a metered volume corresponding to a treatment.
- a portion of the liquid is received in the nebulization chamber 3 which is arranged to nebulize the liquid received therein.
- the controller 13 activates the vibration means 4 causing the generation of a spray 6 of small droplets. Part of the energy supplied to the vibration means 4 is dissipated as heat.
- the temperature of the liquid in the nebulization chamber 3 is measured with a sensor 14.
- the controller 13 compares the measured temperature with a predetermined threshold in step 44. In case the temperature is higher than said threshold the controller 13 activates in a subsequent step 45 a pumping means 8 to exchange liquid between the nebulization chamber and reservoir until the temperature of the liquid in the nebulization chamber 3 has dropped below the predetermined threshold.
- the controller 13 reduces the power level with which the vibration means 4 is driven if the measured liquid temperature has increased above a further predetermined threshold as illustrated by the dashed line in Fig. 8.
- there is no step of measuring liquid temperature and is the exchange of the liquid between the nebulization chamber and the reservoir started when the patient activates the nebulizer.
- an aerosol generating device 20 comprises a reservoir 1 for containing a liquid to be atomized and a nebulization chamber 3 for nebulizing a portion of the liquid received from the reservoir.
- the aerosol device further comprises liquid exchange means 7,8 for exchanging in use a further portion of the liquid received in the nebulization chamber with liquid from the reservoir to reduce a temperature increase of liquid in the nebulization chamber caused by heat produced by the vibration source 4.
- the vibration means causes a pressure wave in the liquid causing the liquid to pass through the mesh to form a spray of small droplets.
- the invention also applies to nebulizers with other arrangements in which a vibration means is used to cause directly or indirectly a vibration of a mesh or nozzle plate and in which the heat produced by the vibration means causes a temperature increase of the spray of nebulized droplets.
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Pulmonology (AREA)
- Special Spraying Apparatus (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
- Nozzles (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12706698.3A EP2678059B1 (en) | 2011-02-25 | 2012-02-15 | An aerosol generating device for nebulizing a liquid |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP11156036 | 2011-02-25 | ||
PCT/IB2012/050691 WO2012114230A1 (en) | 2011-02-25 | 2012-02-15 | An aerosol generating device for nebulizing a liquid and a method of temperature control of a liquid to be nebulized |
EP12706698.3A EP2678059B1 (en) | 2011-02-25 | 2012-02-15 | An aerosol generating device for nebulizing a liquid |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2678059A1 true EP2678059A1 (en) | 2014-01-01 |
EP2678059B1 EP2678059B1 (en) | 2021-04-07 |
Family
ID=45774284
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP12706698.3A Active EP2678059B1 (en) | 2011-02-25 | 2012-02-15 | An aerosol generating device for nebulizing a liquid |
Country Status (7)
Country | Link |
---|---|
US (1) | US10307549B2 (en) |
EP (1) | EP2678059B1 (en) |
JP (1) | JP6067589B2 (en) |
CN (1) | CN103492010B (en) |
BR (1) | BR112013021331B1 (en) |
RU (1) | RU2603610C2 (en) |
WO (1) | WO2012114230A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR3142329A1 (en) * | 2022-11-28 | 2024-05-31 | L'oreal | Device for atomizing a liquid cosmetic product, particularly a makeup product |
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US9043634B2 (en) | 2011-04-29 | 2015-05-26 | Qualcomm Incorporated | Methods, systems, apparatuses, and computer-readable media for waking a SLIMbus without toggle signal |
US9065674B2 (en) | 2011-04-29 | 2015-06-23 | Qualcomm Incorporated | Multiple slimbus controllers for slimbus components |
US9458615B2 (en) | 2011-05-13 | 2016-10-04 | Conopco, Inc. | Spraying device |
GB2494173A (en) * | 2011-09-01 | 2013-03-06 | Vectair Systems Ltd | Dispensing apparatus |
KR101376565B1 (en) * | 2011-12-15 | 2014-04-02 | (주)포스코 | Method and apparatus for controlling the temperature of strip in the rapid cooling section of continuous annealing line |
PL2775051T3 (en) * | 2013-03-05 | 2019-06-28 | Unilever N.V. | Spraying device comprising a metering chamber |
US9452271B2 (en) * | 2013-05-29 | 2016-09-27 | General Electric Company | Nebulizer systems and methods |
EP2832392A1 (en) * | 2013-07-29 | 2015-02-04 | PARI Pharma GmbH | Aerosol delivery device and method for operating an aerosol delivery device |
TR201808138T4 (en) | 2013-08-16 | 2018-07-23 | Vectura Gmbh | Dosing system for an inhalation device. |
AU2014316769B2 (en) * | 2013-09-09 | 2018-12-06 | Omnimist, Ltd. | Atomizing spray apparatus |
GB2518615A (en) * | 2013-09-25 | 2015-04-01 | Yu-Chi Yen | Ultrasonic spray system |
FR3015631B1 (en) * | 2013-12-20 | 2016-05-27 | Stmi Soc Des Techniques En Milieu Ionisant | CRYOGENIC TEMPERATURE FLUID DISPENSING DEVICE AND METHOD FOR CLEANING OR CLEANING CONCRETE WITH CRYOGENIC TEMPERATURE FLUID JET USING SUCH A DEVICE |
CN106456909B (en) * | 2014-05-28 | 2020-08-07 | 株式会社美全 | Humidifying device |
CN105724126A (en) * | 2014-12-06 | 2016-07-06 | 南京化工职业技术学院 | Atomizer |
CN105728252A (en) * | 2014-12-06 | 2016-07-06 | 南京化工职业技术学院 | Photovoltaic ultrasonic atomizer |
AR108306A1 (en) * | 2016-05-27 | 2018-08-08 | Sumitomo Chemical Co | SPRAY DEVICE |
DE102017104555B4 (en) * | 2017-03-06 | 2018-09-20 | Hauni Maschinenbau Gmbh | Evaporator unit for an inhaler |
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JP2014508597A (en) | 2014-04-10 |
CN103492010B (en) | 2016-06-22 |
BR112013021331A2 (en) | 2021-06-01 |
BR112013021331B1 (en) | 2022-01-04 |
CN103492010A (en) | 2014-01-01 |
JP6067589B2 (en) | 2017-01-25 |
RU2603610C2 (en) | 2016-11-27 |
EP2678059B1 (en) | 2021-04-07 |
US20130327322A1 (en) | 2013-12-12 |
RU2013143289A (en) | 2015-03-27 |
WO2012114230A1 (en) | 2012-08-30 |
US10307549B2 (en) | 2019-06-04 |
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